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yangming0303
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樓主  發(fā)表于: 2013-08-04 17:21
最近在學(xué)習歐姆龍的PLC,但發(fā)現書(shū)上PLC晶休管輸出型的接線(xiàn)，漏型源型 輸出怎么與三菱PLC上的相反啊，

三菱的漏型輸入COM接正級，輸入端接負，低電平有效，請大師指點(diǎn)迷津，最好附上圖讓大家學(xué)習下，謝謝。
shfxfa
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1樓  發(fā)表于: 2013-08-04 17:33
你問(wèn)的到底是輸出還是輸入的接線(xiàn)呢？把NPN與PNP搞清楚不管什么PLC接線(xiàn)都知道了

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